History of Diamond Grading in Australia

Blogs & News

Explore DCLA’s legacy as Australia’s leading diamond authority. Learn our history, meet the founders, and discover our unmatched grading expertise.

cushion-shaped 32.20-carat fancy intense yellow diamond of VS2 clarity
Bonhams to Offer 32.20 Carat Fancy Intense Yellow Diamond in New York Auction

Bonhams to Offer 32.20 Carat Fancy Intense Yellow Diamond in New York Auction a cushion-shaped 32.20-carat fancy[…]

GIA Acquires 30% Stake in Tracr as Diamond Provenance Takes Centre Stage
GIA Acquires 30% Stake in Tracr as Diamond Provenance Takes Centre Stage

The global diamond industry has taken another significant step towards greater transparency and traceability, with the Gemological[…]

$25.6m Jadeite Necklace
$25.6m Jadeite Necklace Just Misses World Record

A green jadeite necklace sold for HKD 200.2 million ($25.6 million) at Christie's Hong Kong, narrowly missing[…]

BR-05 36mm Blue Diamond Eagle
Bell & Ross Takes Flight with the New BR-05 36mm Blue Diamond Eagle

Swiss watchmaker Bell & Ross has launched the striking new BR-05 36mm Blue Diamond Eagle, combining aviation[…]

Why Shape Drives Price Differences
Diamond Shapes and the Impact of Rough Recovery on Pricing

In the diamond industry, shape is far more than an aesthetic choice. It plays a direct role[…]

A Harry Winston ring centering a cushion-cut, 7.08-carat Colombian emerald
30.20ct Fancy Intense Yellow Diamond to Headline Bonhams New York Auction

This ring features a cushion-cut, 8.23-carat, faint-pink, internally flawless diamond

What Determines Pearl Value Overall
Types of Pearls and Their Different Values

Pearls have fascinated jewellers and collectors for centuries, not only for their natural beauty but also for[…]

(left) the Azure Blue and (right) 5.04-carat fancy vivid blue.
DCLA News of the Day

Two Exceptional Blue Diamonds Headline Christie’s New York Auction

Gem Diamonds 140 carat rough
Gem Diamonds’ Large Stone Recoveries Lift Quarterly Revenue

reported quarterly revenue of US$32.1 million for the period ending 31 March 2026, supported by the continued[…]

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